AC charging station provides AC charging, secure storage & cord management for up to 10 tablets, laptops & e-readers up to 10-1/2". Widely spaced NEMA 5-15R outlets provide plenty of room to fit AC adapters. 2,880 joules of surge suppression & EMI / RFI noise filtering protect your devices against potentially harmful bursts in voltage. Diagnostic LEDs let you know that the charging station is grounded & the connected devices are protected. An auto-shutoff feature cuts off power to the outlets in case of a power spike for enhanced safety. Charging station locks with the included keys to help prevent theft, damage or tampering. A cable with combination lock is also included to secure the charging station to a desk, table, cart or other flat surface. The 6' AC input cord with NEMA 5-15P plug allows you to easily place the charging station in a convenient location. Storage shelf dividers can be removed to accommodate thicker devices.